TOTAL VOLUME:

$134b

24H VOL:

$107,351,958

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,416,970,024

400,720

Markets across

30,097

events

MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Elections
ID-02 Republican nominee?
kalshi

ID-02 Republican nominee?

Volume:
$17,754

Mike Simpson

 - Kalshi

Mike Simpson - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved May 20, 2026

Closed: May 20, 10:27 AM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Mike Simpson

View
100%
Yes 100¢No 0¢
1¢
N/A
$7,552
N/A
N/A
$2,830
1mo 4d
Yes
kalshi

Perry Shumway

0%
Yes 0¢No 100¢
1¢
N/A
$7,282
N/A
N/A
$4,217
1mo 4d
No
kalshi

Brian Keene

0%
Yes 0¢No 100¢
0.1¢
N/A
$2,920
N/A
N/A
$1,512
1mo 4d
No
Total markets: 3

Description

A candidate will compete as the Republican nominee for Idaho's 2nd congressional district in the 2026 House election.